Spirax Sarco's Bydrain freeze protection liquid expansion trap prevents pipes from freezing
Spirax Sarco's Bydrain freeze protection liquid expansion trap is designed as a last line of defense against pipe freezing. The Bydrain can be installed on the equipment or downstream of the equipment to be drained. Placed at the end of pipes, at low points, or any area where liquid could be stationary and thus susceptible to freezing.
This trap is made of stainless steel material and is a fixed temperature discharge trap that continuously monitors the temperature in the pipes; the trap is firmly closed at 45°F, but as the temperature of the liquid cools to 36°F the trap opens, discharging any liquid in the pipe.